Jan 23, 2013 12:35am PST
coffee to spices, instances of so called food fraud are cropping up nationwide. abc's jim avila brings us the report. >> reporter: a trip to the grocery store should be simple and straight forward. >> anything that they put in there should be listed on the ingredients label. >> reporter: but how do you know what's on the label is what you're actually getting? in a study to be released later today, the u.s. convention, an independent non-profit lab, says in many cases you can't. they're comprehensive review of food fraud finds that reports of fraudulent ingredients in our food, ingredients not labeled and used as cheap substitutes, are up 60% over last year's review. >> the food products are not always what they purport to be. >> reporter: so it's profit, or in this case, greed. >> that seems to be the driver for a lot of human actions. ground black pepper can be adulterated. >> reporter: it's enough to make you wonder who thinks of this stuff. >> stems, starches, everything that looks gray or speckled appears to be ground black pepper. >> reporter: the scientists at usp want to know what'